MAX4608ESE Equivalent & Substitute Parts

Part Overview

The MAX4608ESE is a 2-circuit IC switch with SPST-NO (Single Pole Single Throw - Normally Open) configuration, manufactured by Analog Devices Inc./Maxim Integrated. This component features 2.5Ohm on-state resistance and operates across a wide supply voltage range of 4.5V to 36V (single supply) or ±4.5V to ±20V (dual supply). The device is packaged in a 16-SOIC surface mount package with 110ns/150ns switching times and -66dB crosstalk performance at 1MHz.

The MAX4608ESE is classified as obsolete, which necessitates identification of equivalent substitute components for new designs or production continuity. Active alternatives with identical electrical and mechanical specifications are available to ensure design compatibility and supply chain reliability.

Key Parameters

Parameter	Specification
Switch Circuit Type	SPST - NO
Number of Circuits	2
Multiplexer/Demultiplexer Configuration	1:1
On-State Resistance (Max)	2.5Ohm
Channel-to-Channel Matching (ΔRon)	50mOhm
Voltage - Supply, Single (V+)	4.5V ~ 36V
Voltage - Supply, Dual (V±)	±4.5V ~ ±20V
Switch Time (Ton, Toff) (Max)	110ns, 150ns
Charge Injection	45pC
Channel Capacitance (CS(off), CD(off))	64pF, 64pF
Current - Leakage (IS(off)) (Max)	500pA
Crosstalk	-66dB @ 1MHz
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution of the MAX4608ESE is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must maintain identical specifications in the following critical areas:

Switch circuit topology (SPST - NO configuration with 2 circuits in 1:1 multiplexer arrangement)
On-state resistance and channel matching characteristics (2.5Ohm maximum with 50mOhm matching tolerance)
Supply voltage operating ranges (4.5V to 36V single supply; ±4.5V to ±20V dual supply)
Switching performance metrics (110ns/150ns maximum switching times)
Signal integrity parameters (45pC charge injection, -66dB crosstalk at 1MHz)
Thermal operating range (-40°C to 85°C)
Physical package specification (16-SOIC surface mount with 3.90mm width)

The MAX4608ESE+ meets all these criteria and qualifies as a direct substitute. The primary distinction between the main part and its substitute is product status and compliance certification, not electrical or mechanical performance.

Parameter Comparison

Parameter	MAX4608ESE	MAX4608ESE+
Manufacturer	Analog Devices Inc./Maxim Integrated	Analog Devices Inc./Maxim Integrated
Switch Circuit	SPST - NO	SPST - NO
Number of Circuits	2	2
Multiplexer Configuration	1:1	1:1
On-State Resistance (Max)	2.5Ohm	2.5Ohm
Channel-to-Channel Matching (ΔRon)	50mOhm	50mOhm
Voltage - Supply, Single (V+)	4.5V ~ 36V	4.5V ~ 36V
Voltage - Supply, Dual (V±)	±4.5V ~ ±20V	±4.5V ~ ±20V
Switch Time (Ton, Toff) (Max)	110ns, 150ns	110ns, 150ns
Charge Injection	45pC	45pC
Channel Capacitance (CS(off), CD(off))	64pF, 64pF	64pF, 64pF
Current - Leakage (IS(off)) (Max)	500pA	500pA
Crosstalk	-66dB @ 1MHz	-66dB @ 1MHz
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	16-SOIC (0.154", 3.90mm Width)	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging	Not specified	Tube

Engineering Selection Recommendations

The MAX4608ESE+ is the direct substitute for the obsolete MAX4608ESE. Both components are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical and mechanical specifications across all functional parameters.

For new designs and production applications, the MAX4608ESE+ is the appropriate selection due to its active product status and ROHS3 compliance certification. The MAX4608ESE+ maintains full compatibility with existing circuit designs while providing improved environmental compliance and assured supply chain availability.

The transition from MAX4608ESE to MAX4608ESE+ requires no circuit modifications, PCB layout changes, or firmware adjustments. Pin configuration, signal timing, and electrical performance remain unchanged.

Frequently Asked Questions (FAQ)

Q: Can MAX4608ESE+ be used as a direct replacement for MAX4608ESE in existing designs?

A: Yes. The MAX4608ESE+ is electrically and mechanically identical to the MAX4608ESE. All electrical parameters, switching characteristics, and package specifications are equivalent. No design modifications are required.

Q: What is the primary difference between MAX4608ESE and MAX4608ESE+?

A: The MAX4608ESE is classified as obsolete, while the MAX4608ESE+ is an active product. Additionally, the MAX4608ESE+ is ROHS3 compliant, whereas the MAX4608ESE is RoHS non-compliant. Electrical and mechanical specifications are identical.

Q: Are there any supply voltage or thermal operating range differences?

A: No. Both parts operate across identical supply voltage ranges (4.5V to 36V single supply; ±4.5V to ±20V dual supply) and thermal ranges (-40°C to 85°C). Switching performance, on-state resistance, and all signal integrity parameters are identical.

Q: Does the packaging format differ between these parts?

A: Both parts use 16-SOIC surface mount packaging with 3.90mm width. The MAX4608ESE+ is supplied in tube packaging, while the MAX4608ESE packaging format is not specified. The physical package dimensions and pin configuration are identical.

Q: Are there any crosstalk or signal integrity differences?

A: No. Both parts exhibit -66dB crosstalk at 1MHz, 45pC charge injection, and 64pF channel capacitance specifications. Signal integrity performance is identical across all measured parameters.

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